BR112020011172A2 - processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância - Google Patents

processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância Download PDF

Info

Publication number
BR112020011172A2
BR112020011172A2 BR112020011172-4A BR112020011172A BR112020011172A2 BR 112020011172 A2 BR112020011172 A2 BR 112020011172A2 BR 112020011172 A BR112020011172 A BR 112020011172A BR 112020011172 A2 BR112020011172 A2 BR 112020011172A2
Authority
BR
Brazil
Prior art keywords
luminance
color
image
input
hdr
Prior art date
Application number
BR112020011172-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Johannes Yzebrand Tichelaar
Original Assignee
Koninklijke Philips N.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of BR112020011172A2 publication Critical patent/BR112020011172A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/643—Hue control means, e.g. flesh tone control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20092—Interactive image processing based on input by user

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
BR112020011172-4A 2017-12-08 2018-12-06 processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância BR112020011172A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17206169.9A EP3496028A1 (en) 2017-12-08 2017-12-08 Improved high dynamic range video color remapping
EP17206169.9 2017-12-08
PCT/EP2018/083856 WO2019110752A1 (en) 2017-12-08 2018-12-06 Improved high dynamic range video color remapping

Publications (1)

Publication Number Publication Date
BR112020011172A2 true BR112020011172A2 (pt) 2020-11-17

Family

ID=60629574

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020011172-4A BR112020011172A2 (pt) 2017-12-08 2018-12-06 processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância

Country Status (9)

Country Link
US (2) US11170478B2 (enrdf_load_stackoverflow)
EP (2) EP3496028A1 (enrdf_load_stackoverflow)
JP (1) JP7381463B2 (enrdf_load_stackoverflow)
KR (1) KR102614452B1 (enrdf_load_stackoverflow)
CN (1) CN111699507B (enrdf_load_stackoverflow)
BR (1) BR112020011172A2 (enrdf_load_stackoverflow)
ES (1) ES2988801T3 (enrdf_load_stackoverflow)
MX (1) MX2020005813A (enrdf_load_stackoverflow)
WO (1) WO2019110752A1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10645358B2 (en) 2018-02-20 2020-05-05 Gopro, Inc. Saturation management for luminance gains in image processing
US10970828B2 (en) * 2018-12-21 2021-04-06 Ricoh Company, Ltd. Image processing apparatus, image processing system, image processing method, and recording medium
DE102019134799B3 (de) * 2019-12-17 2021-03-25 Schölly Fiberoptic GmbH Bildaufnahmeverfahren unter Verwendung einer Farbtransformation sowie zugehöriges medizinisches Bildaufnahmesystem
US11232607B2 (en) * 2020-01-24 2022-01-25 Adobe Inc. Adding color to digital images
EP3873096A1 (en) 2020-02-25 2021-09-01 Koninklijke Philips N.V. Improved hdr color processing for saturated colors
US11651472B2 (en) 2020-10-16 2023-05-16 Electronics And Telecommunications Research Institute Method for processing immersive video and method for producing immersive video
CN113271449B (zh) * 2021-07-21 2021-09-28 北京小鸟科技股份有限公司 多种hdr视频的转换系统、方法、设备
EP4283459A1 (en) * 2022-05-24 2023-11-29 Koninklijke Philips N.V. Mixing secondary graphics elements in hdr images
CN116029914B (zh) * 2022-07-27 2023-10-20 荣耀终端有限公司 图像处理方法与电子设备

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1265338C (zh) * 2001-11-21 2006-07-19 佳能株式会社 显示装置、其图像信号处理装置及驱动控制装置
US7773158B2 (en) * 2005-10-12 2010-08-10 Panasonic Corporation Visual processing device, display device, and integrated circuit
TWI314424B (en) * 2006-06-23 2009-09-01 Marketech Int Corp System and method for image signal contrast adjustment and overflow compensation
US9417479B2 (en) * 2011-05-13 2016-08-16 Samsung Display Co., Ltd. Method for reducing simultaneous contrast error
US8896641B2 (en) * 2011-06-01 2014-11-25 Lg Display Co., Ltd. Organic light emitting diode display device and method of driving the same
JP5966658B2 (ja) 2012-06-22 2016-08-10 ソニー株式会社 表示装置、画像処理装置、および表示方法
US10075728B2 (en) * 2012-10-01 2018-09-11 Inria Institut National De Recherche En Informatique Et En Automatique Method and device for motion information prediction refinement
RU2642335C2 (ru) 2012-10-08 2018-01-24 Конинклейке Филипс Н.В. Обработка изображений с изменением яркости при цветовых ограничениях
CN105393525B (zh) 2013-07-18 2019-04-12 皇家飞利浦有限公司 创建用于对hdr图像编码的代码映射函数的方法和装置以及使用这样的编码图像的方法和装置
RU2688249C2 (ru) 2014-05-28 2019-05-21 Конинклейке Филипс Н.В. Способы и устройства для кодирования hdr-изображений и способы и устройства для использования таких кодированных изображений
TR201808347T4 (tr) * 2014-10-10 2018-07-23 Koninklijke Philips Nv Dinamik erim eşleştirmelerine yönelik doyma işleminin belirtimi.
RU2687267C2 (ru) 2014-12-11 2019-05-13 Конинклейке Филипс Н.В. Оптимизация изображений с расширенным динамическим диапазоном для определенных дисплеев
EP3329679A1 (en) * 2015-07-28 2018-06-06 VID SCALE, Inc. High dynamic range video coding architectures with multiple operating modes
US10152777B2 (en) 2015-12-17 2018-12-11 Koninklijke Philips N.V. Dynamic range coding for images and video
EP3220349A1 (en) * 2016-03-16 2017-09-20 Thomson Licensing Methods, apparatus, and systems for extended high dynamic range ("hdr") hdr to hdr tone mapping
WO2017157977A1 (en) * 2016-03-18 2017-09-21 Koninklijke Philips N.V. Encoding and decoding hdr videos
JP6637396B2 (ja) * 2016-08-31 2020-01-29 株式会社ジャパンディスプレイ 表示装置、電子機器及び表示装置の駆動方法
EP3493150A1 (en) * 2017-11-30 2019-06-05 InterDigital VC Holdings, Inc. Tone mapping adaptation for saturation control

Also Published As

Publication number Publication date
KR102614452B1 (ko) 2023-12-14
WO2019110752A1 (en) 2019-06-13
EP3721405C0 (en) 2024-03-06
US20220124293A1 (en) 2022-04-21
RU2020122004A (ru) 2022-01-10
MX2020005813A (es) 2020-08-20
JP2021506001A (ja) 2021-02-18
US11170478B2 (en) 2021-11-09
EP3721405B1 (en) 2024-03-06
KR20200097307A (ko) 2020-08-18
JP7381463B2 (ja) 2023-11-15
US20200357100A1 (en) 2020-11-12
EP3721405A1 (en) 2020-10-14
CN111699507A (zh) 2020-09-22
ES2988801T3 (es) 2024-11-21
US12125183B2 (en) 2024-10-22
EP3496028A1 (en) 2019-06-12
CN111699507B (zh) 2024-06-18

Similar Documents

Publication Publication Date Title
BR112020011172A2 (pt) processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância
JP6700322B2 (ja) 改善されたｈｄｒイメージ符号化及び復号化方法、装置
JP7313285B2 (ja) 復号された高ダイナミックレンジ画像の彩度を最適化すること
ES2694858T3 (es) Métodos y aparatos para codificar imágenes de HDR, y métodos y aparatos para el uso de tales imágenes codificadas
ES3033067T3 (en) Apparatus and method for dynamic range transforming of images
JP6368365B2 (ja) Ｈｄｒイメージの符号化のためのコードマッピング関数を作成するための方法及び装置、並びに、かかる符号化イメージの使用のための方法及び装置
JP4870665B2 (ja) ビデオ・コンテンツから導出した周辺光を生成するための知覚規則を用いた支配色抽出
US20180336669A1 (en) Handling multiple hdr image sources
BR112014027815B1 (pt) Aparelho de processamento de cor de imagem, codificador de imagem, decodificador de imagem e método de processamento de cor de imagem
JP2019504548A (ja) 画像及びビデオのためのダイナミックレンジ符号化
BR112014023535B1 (pt) Codificador de imagem para codificar uma imagem de uma cena de alto alcance dinâmico, decodificador de imagem para decodificar uma representação de imagem codificada de uma cena de alto alcance dinâmico, método de codificação de imagem para codificar uma imagem de uma cena de alto alcance dinâmico e método de decodificação da imagem para decodificar uma representação de imagem codificada de uma cena de alto alcance dinâmico
EP3451677A1 (en) Graphics-safe hdr image luminance re-grading
ES2979319T3 (es) Manejo de múltiples fuentes de imágenes HDR
KR102631844B1 (ko) 디지털 이미지를 프로세싱하기 위한 방법, 디바이스, 단말 장비 및 연관된 컴퓨터 프로그램
RU2782432C2 (ru) Улучшенное повторное отображение цвета видео с высоким динамическим диапазоном
ES2728053T3 (es) Métodos y aparatos para crear funciones de mapeo de códigos para codificar una imagen HDR, y métodos y aparatos para el uso de tales imágenes codificadas
BR112018010367B1 (pt) Aparelho para combinar duas imagens ou dois vídeos de imagens, e método para combinar duas imagens ou dois vídeos de imagens
WO2025176560A1 (en) Encoding and decoding for images
BR112017002313B1 (pt) Codificador para codificar um vídeo de entrada de alto alcance dinâmico, método para codificar um vídeo de entrada de alto alcance dinâmico, decodificador de vídeo para decodificar um vídeo de alto alcance dinâmico, decodificador de vídeo para decodificar um conjunto de imagens de vídeo de alto alcance dinâmico e método de decodificação de vídeo de um conjunto de imagens de vídeo de alto alcance dinâmico
BR112016027461B1 (pt) Método de codificação de uma imagem de alta faixa dinâmica, codificador de imagem disposto para codificar uma imagem de alta faixa dinâmica, decodificador de imagem disposto para receber um sinal de imagem de alta faixa dinâmica, e, método de decodificação de um sinal de imagem de alta faixa dinâmica
Demos High Dynamic Range Intermediate
BR112018068603B1 (pt) Decodificador de vídeo de hdr, codificador de vídeo de hdr, método de decodificação de vídeo de hdr, e método de codificação de vídeo de hdr
BR112017016037B1 (pt) Decodificador e codificador de vídeo em hdr; método de decodificação de vídeo; método para codificação de vídeo em hdr; e memória legível por computador
BR112018012456B1 (pt) Aparelho de transformação de cor, decodificador de imagem hdr e método para calcular cores resultantes
BR112015019787B1 (pt) Codificador de imagem, decodificador de imagem, método de codificação de imagem, método de decodificação de imagem, sinal de imagem, e, objeto de memória

Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]